2020 Bombtrack Bicycle Company Hook EXT-C Complete

Design
Drop Bar, Rigid, non-suspension corrected
Frame
Carbon/Composite
Fork
Carbon/Composite
Features
Disc brake
Somewhat aggressive stack and reachvs category
Somewhat upright stack and reachvs category
Average stack and reachvs category
Somewhat upright stack and reachvs category
Somewhat upright stack and reachvs category

Geometry

XS
M
S
L
XL
Stack
539mm
569mm
558mm
590mm
607mm
Reach
376mm
371mm
375mm
380mm
384mm
Stack to Reach Ratio
1.43:1
1.53:1
1.49:1
1.55:1
1.58:1
Seat Tube Length, C-T
490mm
540mm
520mm
560mm
580mm
Top Tube Length, Effective/Horizontal Center
525mm
545mm
535mm
560mm
575mm
Top Tube Slope
7.5deg
5.7deg
6.4deg
5.7deg
5.5deg
Head Tube Angle
70.5deg
71.5deg
71deg
72deg
72deg
Seat Tube Angle
74.5deg
73deg
74deg
73deg
72.5deg
Head Tube Length
120mm
150mm
140mm
170mm
190mm
Bottom Bracket Drop
69mm
67mm
67mm
67mm
65mm
Bottom Bracket Height
273.8mm
275.8mm
275.8mm
275.8mm
277.8mm
Chainstay Length
435mm
435mm
435mm
435mm
435mm
Chainstay Length Horizontal
429.5mm
429.8mm
429.8mm
429.8mm
430.1mm
Front-Center
599mm
595mm
601mm
606mm
616mm
Front-Center Horizontal
594.5mm
591.2mm
597.2mm
602.2mm
611.9mm
Wheelbase
1024mm
1021mm
1027mm
1032mm
1042mm
Fork Offset/Rake
50mm
50mm
50mm
50mm
50mm
Fork Length (Axle-To-Crown)
395mm
395mm
395mm
395mm
395mm
Trail
68.4mm
high
62mm
mid/​neutral
65.2mm
high
58.8mm
mid/​neutral
58.8mm
mid/​neutral
Mechanical Trail
64.4mm
58.8mm
61.6mm
55.9mm
55.9mm
Wheel Flop
21.5mm
18.7mm
20.1mm
17.3mm
17.3mm
Standover Height
767mm
796mm
784mm
816mm
935mm
Tire to Pedal Spindle
91.2mm
165 mm cranks
82.2mm
170 mm cranks
88.2mm
170 mm cranks
90.7mm
172.5 mm cranks
98.2mm
175 mm cranks
Pedal Spindle to Ground Clearance
108.8mm
165 mm cranks
105.8mm
170 mm cranks
105.8mm
170 mm cranks
103.3mm
172.5 mm cranks
102.8mm
175 mm cranks

Complete Build

XS
M
S
L
XL
Wheel Size
650B/27.5 in
584 mm BSD
650B/27.5 in
584 mm BSD
650B/27.5 in
584 mm BSD
650B/27.5 in
584 mm BSD
650B/27.5 in
584 mm BSD
Tire Width
2in
2in
2in
2in
2in
Tire Outer Diameter
685.6mm
685.6mm
685.6mm
685.6mm
685.6mm
Bike Length with Tires
1709.6mm
1706.6mm
1712.6mm
1717.6mm
1727.6mm
Crank Length
165mm
170mm
170mm
172.5mm
175mm
Handlebar Width
400mm
420mm
420mm
440mm
440mm
Stem Length
80mm
90mm
80mm
100mm
100mm

Stack and Reach vs. Category Trend

Very Upright
Somewhat Upright
Average
Somewhat Aggressive
Very Aggressive

The Bike Insights Upright/Aggressive scale is based on analysis of a bike’s proportions relative to similar sized bikes in the same category.

Learn more about the Upright/Aggressive Scale
Category Trend
All-road/Gravel
Source:http://bombtrack.com/2020-hook-ext-c/